Ratfyn Trout Lake
Ratfyn Trout Lake in Wessex, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 99.6 µg/L.
Why Ratfyn Trout Lake has no A–F grade
Ratfyn Trout Lake in England is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the Environment Agency (England).
Ratfyn Trout Lake is a lake in Wessex County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2017-04-27. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Ratfyn Trout Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 99.6 µg/L. Trophic State Index: 70.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 99.6 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 70 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Ratfyn Trout Lake
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Fishing Ratfyn Trout Lake
Frequently asked questions about Ratfyn Trout Lake
What is the water quality of Ratfyn Trout Lake?
- Ratfyn Trout Lake in Wessex, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 99.6 µg/L.
Is Ratfyn Trout Lake safe to swim in?
- Ratfyn Trout Lake has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
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Where this data comes from
4 measurements from 1 monitoring station, 2016–2017. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environment Agency (England)
ea-wqa4 samples · 2016–2017
Monitoring station identifiers (1)
SW-50210360
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2017-04-27
Monitoring stations: 1